15388440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{128237}}^1$

素因数の和:128251

約数の個数: 32

約数和(自身を含む): 46165680

約数和(自身を除く): 30777240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 128237, 256474, 384711, 512948, 641185, 769422, 1025896, 1282370, 1538844, 1923555, 2564740, 3077688, 3847110, 5129480, 7694220, 15388440]

約数ペア:

[(1, 15388440), (2, 7694220), (3, 5129480), (4, 3847110), (5, 3077688), (6, 2564740), (8, 1923555), (10, 1538844), (12, 1282370), (15, 1025896), (20, 769422), (24, 641185), (30, 512948), (40, 384711), (60, 256474), (120, 128237)]